Automotive Requirements Guide & Checklist: The 10 Essentials for Writing a Clear Requirements Document

How to Write Technical Requirements

Executive Summary

Requirements documents are not new to the automotive industry. The rapid rate of change brought about by the introduction of sophisticated automated and electrified systems means that drawing up a requirements document is no longer a best-in-class practice. Requirements are critical to ensuring the timeous delivery of a cost-effective product meeting customers’ expectations and safety and emissions requirements.

As the four ACES (Automated Driving, Connectivity, Electrification, and Shared mobility) change the face of the automotive industry, the complexity of electronic and electrical systems (E/E) is increasing exponentially. Currently, about 40% of component-spend in high-end models can be ascribed to electric and electronic systems, with that cost set to continue to grow.

At the same time, driven by customer demands for a heightened User Experience (UX) and inconsistent global legislation, manufacturers are forced to engineer an increasing number of novel variations of the base specification. Consequently, the complexity of compiling requirements documents outlining the specifications, processes, and procedures required to produce automotive components and systems continues to grow.

In this guide, we discuss the ten essentials for writing clear requirements for the automotive industry.

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